In this paper, we introduce some concepts relating to idempotent ordered orthogonal quasigroups (IOOQ), ordered orthogonal Steiner triple systems (ordered OSTS), and ordered orthogonal group divisible designs (ordered OGDD), and use them to obtain some construction methods for OGDD.
Citation
Zhang Xuebin. Construction of Orthogonal Group Divisible Designs[J], Journal of Combinatorial Mathematics and Combinatorial Computing, Volume 020. 121-128. .